Remove Better Collada Exporter, now in its own repo

See https://github.com/godotengine/collada-exporter for the new upstream location.

1 files changed, 0 insertions, 1923 deletions

diff --git a/tools/export/blender25/io_scene_dae/export_dae.py b/tools/export/blender25/io_scene_dae/export_dae.py
deleted file mode 100644
index 9f8458c0da..0000000000
--- a/tools/export/blender25/io_scene_dae/export_dae.py
+++ /dev/null
@@ -1,1923 +0,0 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-#  This program is free software; you can redistribute it and/or
-#  modify it under the terms of the GNU General Public License
-#  as published by the Free Software Foundation; either version 2
-#  of the License, or (at your option) any later version.
-#
-#  This program is distributed in the hope that it will be useful,
-#  but WITHOUT ANY WARRANTY; without even the implied warranty of
-#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-#  GNU General Public License for more details.
-#
-#  You should have received a copy of the GNU General Public License
-#  along with this program; if not, write to the Free Software Foundation,
-#  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
-
-# <pep8 compliant>
-
-# Script copyright (C) Juan Linietsky
-# Contact Info: juan@codenix.com
-
-"""
-This script is an exporter to the Khronos Collada file format.
-
-http://www.khronos.org/collada/
-"""
-
-# TODO:
-# Materials & Textures
-# Optionally export Vertex Colors
-# Morph Targets
-# Control bone removal
-# Copy textures
-# Export Keyframe Optimization
-# --
-# Morph Targets
-# Blender native material? (?)
-
-import os
-import time
-import math  # math.pi
-import shutil
-import bpy
-import bmesh
-from mathutils import Vector, Matrix
-
-# According to collada spec, order matters
-S_ASSET = 0
-S_IMGS = 1
-S_FX = 2
-S_MATS = 3
-S_GEOM = 4
-S_MORPH = 5
-S_SKIN = 6
-S_CONT = 7
-S_CAMS = 8
-S_LAMPS = 9
-S_ANIM_CLIPS = 10
-S_NODES = 11
-S_ANIM = 12
-
-CMP_EPSILON = 0.0001
-
-
-def snap_tup(tup):
-    ret = ()
-    for x in tup:
-        ret += (x - math.fmod(x, 0.0001), )
-
-    return tup
-
-
-def strmtx(mtx):
-    s = " "
-    for x in range(4):
-        for y in range(4):
-            s += str(mtx[x][y])
-            s += " "
-    s += " "
-    return s
-
-
-def numarr(a, mult=1.0):
-    s = " "
-    for x in a:
-        s += " " + str(x * mult)
-    s += " "
-    return s
-
-
-def numarr_alpha(a, mult=1.0):
-    s = " "
-    for x in a:
-        s += " " + str(x * mult)
-    if len(a) == 3:
-        s += " 1.0"
-    s += " "
-    return s
-
-
-def strarr(arr):
-    s = " "
-    for x in arr:
-        s += " " + str(x)
-    s += " "
-    return s
-
-
-class DaeExporter:
-
-    def validate_id(self, d):
-        if (d.find("id-") == 0):
-            return "z" + d
-        return d
-
-    def new_id(self, t):
-        self.last_id += 1
-        return "id-" + t + "-" + str(self.last_id)
-
-    class Vertex:
-
-        def close_to(self, v):
-            if self.vertex - v.vertex.length() > CMP_EPSILON:
-                return False
-            if self.normal - v.normal.length() > CMP_EPSILON:
-                return False
-            if self.uv - v.uv.length() > CMP_EPSILON:
-                return False
-            if self.uv2 - v.uv2.length() > CMP_EPSILON:
-                return False
-
-            return True
-
-        def get_tup(self):
-            tup = (self.vertex.x, self.vertex.y, self.vertex.z, self.normal.x,
-                   self.normal.y, self.normal.z)
-            for t in self.uv:
-                tup = tup + (t.x, t.y)
-            if self.color is not None:
-                tup = tup + (self.color.x, self.color.y, self.color.z)
-            if self.tangent is not None:
-                tup = tup + (self.tangent.x, self.tangent.y, self.tangent.z)
-            if self.bitangent is not None:
-                tup = tup + (self.bitangent.x, self.bitangent.y,
-                             self.bitangent.z)
-            for t in self.bones:
-                tup = tup + (float(t), )
-            for t in self.weights:
-                tup = tup + (float(t), )
-
-            return tup
-
-        def __init__(self):
-            self.vertex = Vector((0.0, 0.0, 0.0))
-            self.normal = Vector((0.0, 0.0, 0.0))
-            self.tangent = None
-            self.bitangent = None
-            self.color = None
-            self.uv = []
-            self.uv2 = Vector((0.0, 0.0))
-            self.bones = []
-            self.weights = []
-
-    def writel(self, section, indent, text):
-        if (not (section in self.sections)):
-            self.sections[section] = []
-        line = ""
-        for x in range(indent):
-            line += "\t"
-        line += text
-        self.sections[section].append(line)
-
-    def export_image(self, image):
-        if (image in self.image_cache):
-            return self.image_cache[image]
-
-        imgpath = image.filepath
-        if (imgpath.find("//") == 0 or imgpath.find("\\\\") == 0):
-            # If relative, convert to absolute
-            imgpath = bpy.path.abspath(imgpath)
-
-        # Path is absolute, now do something!
-
-        if (self.config["use_copy_images"]):
-            # copy image
-            basedir = os.path.dirname(self.path) + "/images"
-            if (not os.path.isdir(basedir)):
-                os.makedirs(basedir)
-
-            if os.path.isfile(imgpath):
-                dstfile = basedir + "/" + os.path.basename(imgpath)
-
-                if not os.path.isfile(dstfile):
-                    shutil.copy(imgpath, dstfile)
-                imgpath = "images/" + os.path.basename(imgpath)
-            else:
-                # If file is not found save it as png file in the destination
-                # folder
-                img_tmp_path = image.filepath
-                if img_tmp_path.endswith((".bmp", ".rgb", ".png", ".jpeg",
-                                          ".jpg", ".jp2", ".tga", ".cin",
-                                          ".dpx", ".exr", ".hdr", ".tif")):
-                    image.filepath = basedir + "/" + \
-                        os.path.basename(img_tmp_path)
-                else:
-                    image.filepath = basedir + "/" + image.name + ".png"
-
-                dstfile = basedir + "/" + os.path.basename(image.filepath)
-
-                if not os.path.isfile(dstfile):
-                    image.save()
-                imgpath = "images/" + os.path.basename(image.filepath)
-                image.filepath = img_tmp_path
-
-        else:
-            # Export relative, always, no one wants absolute paths.
-            try:
-                # Export unix compatible always
-                imgpath = os.path.relpath(
-                    imgpath, os.path.dirname(self.path)).replace("\\", "/")
-
-            except:
-                # Fails sometimes, not sure why
-                pass
-
-        imgid = self.new_id("image")
-
-        print("FOR: " + imgpath)
-
-#        if (not os.path.isfile(imgpath)):
-#            print("NOT FILE?")
-#            if imgpath.endswith((".bmp", ".rgb", ".png", ".jpeg", ".jpg",
-#                                 ".jp2", ".tga", ".cin", ".dpx", ".exr",
-#                                 ".hdr", ".tif")):
-#                imgpath="images/"+os.path.basename(imgpath)
-#            else:
-#                imgpath="images/"+image.name+".png"
-
-        self.writel(S_IMGS, 1, '<image id="' + imgid +
-                    '" name="' + image.name + '">')
-        self.writel(S_IMGS, 2, '<init_from>' + imgpath + '</init_from>')
-        self.writel(S_IMGS, 1, '</image>')
-        self.image_cache[image] = imgid
-        return imgid
-
-    def export_material(self, material, double_sided_hint=True):
-        if (material in self.material_cache):
-            return self.material_cache[material]
-
-        fxid = self.new_id("fx")
-        self.writel(S_FX, 1, '<effect id="' + fxid + '" name="' +
-                    material.name + '-fx">')
-        self.writel(S_FX, 2, '<profile_COMMON>')
-
-        # Find and fetch the textures and create sources
-        sampler_table = {}
-        diffuse_tex = None
-        specular_tex = None
-        emission_tex = None
-        normal_tex = None
-        for i in range(len(material.texture_slots)):
-            ts = material.texture_slots[i]
-            if not ts:
-                continue
-            if not ts.use:
-                continue
-            if not ts.texture:
-                continue
-            if ts.texture.type != "IMAGE":
-                continue
-
-            if ts.texture.image is None:
-                continue
-
-            # Image
-            imgid = self.export_image(ts.texture.image)
-
-            # Surface
-            surface_sid = self.new_id("fx_surf")
-            self.writel(S_FX, 3, '<newparam sid="' + surface_sid + '">')
-            self.writel(S_FX, 4, '<surface type="2D">')
-            # This is sooo weird
-            self.writel(S_FX, 5, '<init_from>' + imgid + '</init_from>')
-            self.writel(S_FX, 5, '<format>A8R8G8B8</format>')
-            self.writel(S_FX, 4, '</surface>')
-            self.writel(S_FX, 3, '</newparam>')
-            # Sampler, collada sure likes it difficult
-            sampler_sid = self.new_id("fx_sampler")
-            self.writel(S_FX, 3, '<newparam sid="' + sampler_sid + '">')
-            self.writel(S_FX, 4, '<sampler2D>')
-            self.writel(S_FX, 5, '<source>' + surface_sid + '</source>')
-            self.writel(S_FX, 4, '</sampler2D>')
-            self.writel(S_FX, 3, '</newparam>')
-            sampler_table[i] = sampler_sid
-
-            if ts.use_map_color_diffuse and diffuse_tex is None:
-                diffuse_tex = sampler_sid
-            if ts.use_map_color_spec and specular_tex is None:
-                specular_tex = sampler_sid
-            if ts.use_map_emit and emission_tex is None:
-                emission_tex = sampler_sid
-            if ts.use_map_normal and normal_tex is None:
-                normal_tex = sampler_sid
-
-        self.writel(S_FX, 3, '<technique sid="common">')
-        shtype = "blinn"
-        self.writel(S_FX, 4, '<' + shtype + '>')
-        # Ambient? from where?
-
-        self.writel(S_FX, 5, '<emission>')
-        if emission_tex is not None:
-            self.writel(S_FX, 6, '<texture texture="' + emission_tex +
-                        '" texcoord="CHANNEL1"/>')
-        else:
-            self.writel(S_FX, 6, '<color>' +
-                        numarr_alpha(material.diffuse_color, material.emit) +
-                        ' </color>')  # not totally right but good enough
-        self.writel(S_FX, 5, '</emission>')
-
-        self.writel(S_FX, 5, '<ambient>')
-        self.writel(S_FX, 6, '<color>' +
-                    numarr_alpha(self.scene.world.ambient_color,
-                                 material.ambient) + ' </color>')
-        self.writel(S_FX, 5, '</ambient>')
-
-        self.writel(S_FX, 5, '<diffuse>')
-        if diffuse_tex is not None:
-            self.writel(S_FX, 6, '<texture texture="' + diffuse_tex +
-                        '" texcoord="CHANNEL1"/>')
-        else:
-            self.writel(S_FX, 6,
-                        '<color>' + numarr_alpha(material.diffuse_color,
-                                                 material.diffuse_intensity) +
-                        '</color>')
-        self.writel(S_FX, 5, '</diffuse>')
-
-        self.writel(S_FX, 5, '<specular>')
-        if specular_tex is not None:
-            self.writel(S_FX, 6, '<texture texture="' + specular_tex +
-                        '" texcoord="CHANNEL1"/>')
-        else:
-            self.writel(S_FX, 6, '<color>' + numarr_alpha(
-                material.specular_color, material.specular_intensity) +
-                '</color>')
-        self.writel(S_FX, 5, '</specular>')
-
-        self.writel(S_FX, 5, '<shininess>')
-        self.writel(S_FX, 6, '<float>' + str(material.specular_hardness) +
-                    '</float>')
-        self.writel(S_FX, 5, '</shininess>')
-
-        self.writel(S_FX, 5, '<reflective>')
-        self.writel(S_FX, 6, '<color>' + numarr_alpha(material.mirror_color) +
-                    '</color>')
-        self.writel(S_FX, 5, '</reflective>')
-
-        if (material.use_transparency):
-            self.writel(S_FX, 5, '<transparency>')
-            self.writel(S_FX, 6, '<float>' + str(material.alpha) + '</float>')
-            self.writel(S_FX, 5, '</transparency>')
-
-        self.writel(S_FX, 5, '<index_of_refraction>')
-        self.writel(S_FX, 6, '<float>' + str(material.specular_ior) +
-                    '</float>')
-        self.writel(S_FX, 5, '</index_of_refraction>')
-
-        self.writel(S_FX, 4, '</' + shtype + '>')
-
-        self.writel(S_FX, 4, '<extra>')
-        self.writel(S_FX, 5, '<technique profile="FCOLLADA">')
-        if (normal_tex):
-            self.writel(S_FX, 6, '<bump bumptype="NORMALMAP">')
-            self.writel(S_FX, 7, '<texture texture="' + normal_tex +
-                        '" texcoord="CHANNEL1"/>')
-            self.writel(S_FX, 6, '</bump>')
-
-        self.writel(S_FX, 5, '</technique>')
-        self.writel(S_FX, 5, '<technique profile="GOOGLEEARTH">')
-        self.writel(S_FX, 6, '<double_sided>' + ["0", "1"][double_sided_hint] +
-                    "</double_sided>")
-        self.writel(S_FX, 5, '</technique>')
-
-        if (material.use_shadeless):
-            self.writel(S_FX, 5, '<technique profile="GODOT">')
-            self.writel(S_FX, 6, '<unshaded>1</unshaded>')
-            self.writel(S_FX, 5, '</technique>')
-
-        self.writel(S_FX, 4, '</extra>')
-
-        self.writel(S_FX, 3, '</technique>')
-        self.writel(S_FX, 2, '</profile_COMMON>')
-        self.writel(S_FX, 1, '</effect>')
-
-        # Also export blender material in all it's glory (if set as active)
-
-        # Material
-        matid = self.new_id("material")
-        self.writel(S_MATS, 1, '<material id="' + matid + '" name="' +
-                    material.name + '">')
-        self.writel(S_MATS, 2, '<instance_effect url="#' + fxid + '"/>')
-        self.writel(S_MATS, 1, '</material>')
-
-        self.material_cache[material] = matid
-        return matid
-
-    def export_mesh(self, node, armature=None, skeyindex=-1, skel_source=None,
-                    custom_name=None):
-        mesh = node.data
-
-        if (node.data in self.mesh_cache):
-            return self.mesh_cache[mesh]
-
-        if (skeyindex == -1 and mesh.shape_keys is not None and len(
-                mesh.shape_keys.key_blocks)):
-            values = []
-            morph_targets = []
-            md = None
-            for k in range(0, len(mesh.shape_keys.key_blocks)):
-                shape = node.data.shape_keys.key_blocks[k]
-                values += [shape.value]  # save value
-                shape.value = 0
-
-            mid = self.new_id("morph")
-
-            for k in range(0, len(mesh.shape_keys.key_blocks)):
-
-                shape = node.data.shape_keys.key_blocks[k]
-                node.show_only_shape_key = True
-                node.active_shape_key_index = k
-                shape.value = 1.0
-                mesh.update()
-                """
-                oldval = shape.value
-                shape.value = 1.0
-
-                """
-                p = node.data
-                v = node.to_mesh(bpy.context.scene, True, "RENDER")
-                node.data = v
-#                self.export_node(node, il, shape.name)
-                node.data.update()
-                if (armature and k == 0):
-                    md = self.export_mesh(node, armature, k, mid, shape.name)
-                else:
-                    md = self.export_mesh(node, None, k, None, shape.name)
-
-                node.data = p
-                node.data.update()
-                shape.value = 0.0
-                morph_targets.append(md)
-
-                """
-                shape.value = oldval
-                """
-            node.show_only_shape_key = False
-            node.active_shape_key_index = 0
-
-            self.writel(S_MORPH, 1, '<controller id="' + mid + '" name="">')
-            # if ("skin_id" in morph_targets[0]):
-            #    self.writel(S_MORPH, 2, '<morph source="#'+morph_targets[0][
-            #    "skin_id"]+'" method="NORMALIZED">')
-            # else:
-            self.writel(S_MORPH, 2, '<morph source="#' +
-                        morph_targets[0]["id"] + '" method="NORMALIZED">')
-
-            self.writel(S_MORPH, 3, '<source id="' + mid + '-morph-targets">')
-            self.writel(S_MORPH, 4, '<IDREF_array id="' + mid +
-                        '-morph-targets-array" count="' +
-                        str(len(morph_targets) - 1) + '">')
-            marr = ""
-            warr = ""
-            for i in range(len(morph_targets)):
-                if (i == 0):
-                    continue
-                elif (i > 1):
-                    marr += " "
-
-                if ("skin_id" in morph_targets[i]):
-                    marr += morph_targets[i]["skin_id"]
-                else:
-                    marr += morph_targets[i]["id"]
-
-                warr += " 0"
-
-            self.writel(S_MORPH, 5, marr)
-            self.writel(S_MORPH, 4, '</IDREF_array>')
-            self.writel(S_MORPH, 4, '<technique_common>')
-            self.writel(S_MORPH, 5, '<accessor source="#' + mid +
-                        '-morph-targets-array" count="' +
-                        str(len(morph_targets) - 1) + '" stride="1">')
-            self.writel(
-                S_MORPH, 6, '<param name="MORPH_TARGET" type="IDREF"/>')
-            self.writel(S_MORPH, 5, '</accessor>')
-            self.writel(S_MORPH, 4, '</technique_common>')
-            self.writel(S_MORPH, 3, '</source>')
-
-            self.writel(S_MORPH, 3, '<source id="' + mid + '-morph-weights">')
-            self.writel(S_MORPH, 4, '<float_array id="' + mid +
-                        '-morph-weights-array" count="' +
-                        str(len(morph_targets) - 1) + '" >')
-            self.writel(S_MORPH, 5, warr)
-            self.writel(S_MORPH, 4, '</float_array>')
-            self.writel(S_MORPH, 4, '<technique_common>')
-            self.writel(S_MORPH, 5, '<accessor source="#' + mid +
-                        '-morph-weights-array" count="' +
-                        str(len(morph_targets) - 1) + '" stride="1">')
-            self.writel(
-                S_MORPH, 6, '<param name="MORPH_WEIGHT" type="float"/>')
-            self.writel(S_MORPH, 5, '</accessor>')
-            self.writel(S_MORPH, 4, '</technique_common>')
-            self.writel(S_MORPH, 3, '</source>')
-
-            self.writel(S_MORPH, 3, '<targets>')
-            self.writel(
-                S_MORPH, 4, '<input semantic="MORPH_TARGET" source="#' + mid +
-                '-morph-targets"/>')
-            self.writel(
-                S_MORPH, 4, '<input semantic="MORPH_WEIGHT" source="#' + mid +
-                '-morph-weights"/>')
-            self.writel(S_MORPH, 3, '</targets>')
-            self.writel(S_MORPH, 2, '</morph>')
-            self.writel(S_MORPH, 1, '</controller>')
-            if armature is not None:
-
-                self.armature_for_morph[node] = armature
-
-            meshdata = {}
-            if (armature):
-                meshdata = morph_targets[0]
-                meshdata["morph_id"] = mid
-            else:
-                meshdata["id"] = morph_targets[0]["id"]
-                meshdata["morph_id"] = mid
-                meshdata["material_assign"] = morph_targets[
-                    0]["material_assign"]
-
-            self.mesh_cache[node.data] = meshdata
-            return meshdata
-
-        apply_modifiers = len(node.modifiers) and self.config[
-            "use_mesh_modifiers"]
-
-        name_to_use = mesh.name
-        # print("name to use: "+mesh.name)
-        if (custom_name is not None and custom_name != ""):
-            name_to_use = custom_name
-
-        mesh = node.to_mesh(self.scene, apply_modifiers,
-                            "RENDER")  # is this allright?
-
-        triangulate = self.config["use_triangles"]
-        if (triangulate):
-            bm = bmesh.new()
-            bm.from_mesh(mesh)
-            bmesh.ops.triangulate(bm, faces=bm.faces)
-            bm.to_mesh(mesh)
-            bm.free()
-
-        mesh.update(calc_tessface=True)
-        vertices = []
-        vertex_map = {}
-        surface_indices = {}
-        materials = {}
-
-        materials = {}
-
-        si = None
-        if armature is not None:
-            si = self.skeleton_info[armature]
-
-        has_uv = False
-        has_uv2 = False
-        has_weights = armature is not None
-        has_tangents = self.config["use_tangent_arrays"]  # could detect..
-        has_colors = len(mesh.vertex_colors)
-        mat_assign = []
-
-        uv_layer_count = len(mesh.uv_textures)
-        if has_tangents and len(mesh.uv_textures):
-            try:
-                mesh.calc_tangents()
-            except:
-                self.operator.report(
-                    {'WARNING'}, 'CalcTangets failed for mesh "' + mesh.name +
-                    '", no tangets will be exported.')
-                # uv_layer_count=0
-                mesh.calc_normals_split()
-                has_tangents = False
-
-        else:
-            mesh.calc_normals_split()
-            has_tangents = False
-
-        for fi in range(len(mesh.polygons)):
-            f = mesh.polygons[fi]
-
-            if not (f.material_index in surface_indices):
-                surface_indices[f.material_index] = []
-                # print("Type: " + str(type(f.material_index)))
-                # print("IDX: " + str(f.material_index) + "/" + str(
-                #     len(mesh.materials)))
-
-                try:
-                    # Bizarre blender behavior i don't understand,
-                    # so catching exception
-                    mat = mesh.materials[f.material_index]
-                except:
-                    mat = None
-
-                if (mat is not None):
-                    materials[f.material_index] = self.export_material(
-                        mat, mesh.show_double_sided)
-                else:
-                    # weird, has no material?
-                    materials[f.material_index] = None
-
-            indices = surface_indices[f.material_index]
-            vi = []
-            # Vertices always 3
-            """
-            if (len(f.vertices)==3):
-                vi.append(0)
-                vi.append(1)
-                vi.append(2)
-            elif (len(f.vertices)==4):
-                #todo, should use shortest path
-                vi.append(0)
-                vi.append(1)
-                vi.append(2)
-                vi.append(0)
-                vi.append(2)
-                vi.append(3)
-            """
-
-            for lt in range(f.loop_total):
-                loop_index = f.loop_start + lt
-                ml = mesh.loops[loop_index]
-                mv = mesh.vertices[ml.vertex_index]
-
-                v = self.Vertex()
-                v.vertex = Vector(mv.co)
-
-                for xt in mesh.uv_layers:
-                    v.uv.append(Vector(xt.data[loop_index].uv))
-
-                if (has_colors):
-                    v.color = Vector(
-                        mesh.vertex_colors[0].data[loop_index].color)
-
-                v.normal = Vector(ml.normal)
-
-                if (has_tangents):
-                    v.tangent = Vector(ml.tangent)
-                    v.bitangent = Vector(ml.bitangent)
-
-                    # if (armature):
-                    #         v.vertex = node.matrix_world * v.vertex
-
-                # v.color=Vertex(mv. ???
-
-                if armature is not None:
-                    wsum = 0.0
-                    zero_bones = []
-
-                    for vg in mv.groups:
-                        if vg.group >= len(node.vertex_groups):
-                            continue
-                        name = node.vertex_groups[vg.group].name
-
-                        if (name in si["bone_index"]):
-                            # could still put the weight as 0.0001 maybe
-                            # blender has a lot of zero weight stuff
-                            if (vg.weight > 0.001):
-                                v.bones.append(si["bone_index"][name])
-                                v.weights.append(vg.weight)
-                                wsum += vg.weight
-                    if (wsum == 0.0):
-                        if not self.wrongvtx_report:
-                            self.operator.report(
-                                {'WARNING'}, 'Mesh for object "' + node.name +
-                                '" has unassigned weights. '
-                                'This may look wrong in exported model.')
-                            self.wrongvtx_report = True
-
-                        # blender can have bones assigned that weight zero
-                        # so they remain local
-                        # this is the best it can be done?
-                        v.bones.append(0)
-                        v.weights.append(1)
-
-                tup = v.get_tup()
-                idx = 0
-                # do not optmize if using shapekeys
-                if (skeyindex == -1 and tup in vertex_map):
-                    idx = vertex_map[tup]
-                else:
-                    idx = len(vertices)
-                    vertices.append(v)
-                    vertex_map[tup] = idx
-
-                vi.append(idx)
-
-            if (len(vi) > 2):
-                # only triangles and above
-                indices.append(vi)
-
-        meshid = self.new_id("mesh")
-        self.writel(S_GEOM, 1, '<geometry id="' + meshid +
-                    '" name="' + name_to_use + '">')
-
-        self.writel(S_GEOM, 2, '<mesh>')
-
-        # Vertex Array
-        self.writel(S_GEOM, 3, '<source id="' + meshid + '-positions">')
-        float_values = ""
-        for v in vertices:
-            float_values += " " + str(v.vertex.x) + " " + \
-                str(v.vertex.y) + " " + str(v.vertex.z)
-        self.writel(S_GEOM, 4, '<float_array id="' + meshid +
-                    '-positions-array" count="' +
-                    str(len(vertices) * 3) + '">' + float_values +
-                    '</float_array>')
-        self.writel(S_GEOM, 4, '<technique_common>')
-        self.writel(S_GEOM, 4, '<accessor source="#' + meshid +
-                    '-positions-array" count="' + str(len(vertices)) +
-                    '" stride="3">')
-        self.writel(S_GEOM, 5, '<param name="X" type="float"/>')
-        self.writel(S_GEOM, 5, '<param name="Y" type="float"/>')
-        self.writel(S_GEOM, 5, '<param name="Z" type="float"/>')
-        self.writel(S_GEOM, 4, '</accessor>')
-        self.writel(S_GEOM, 4, '</technique_common>')
-        self.writel(S_GEOM, 3, '</source>')
-
-        # Normal Array
-
-        self.writel(S_GEOM, 3, '<source id="' + meshid + '-normals">')
-        float_values = ""
-        for v in vertices:
-            float_values += " " + str(v.normal.x) + " " + \
-                str(v.normal.y) + " " + str(v.normal.z)
-        self.writel(S_GEOM, 4, '<float_array id="' + meshid +
-                    '-normals-array" count="' +
-                    str(len(vertices) * 3) + '">' + float_values +
-                    '</float_array>')
-        self.writel(S_GEOM, 4, '<technique_common>')
-        self.writel(S_GEOM, 4, '<accessor source="#' + meshid +
-                    '-normals-array" count="' + str(len(vertices)) +
-                    '" stride="3">')
-        self.writel(S_GEOM, 5, '<param name="X" type="float"/>')
-        self.writel(S_GEOM, 5, '<param name="Y" type="float"/>')
-        self.writel(S_GEOM, 5, '<param name="Z" type="float"/>')
-        self.writel(S_GEOM, 4, '</accessor>')
-        self.writel(S_GEOM, 4, '</technique_common>')
-        self.writel(S_GEOM, 3, '</source>')
-
-        if (has_tangents):
-            self.writel(S_GEOM, 3, '<source id="' + meshid + '-tangents">')
-            float_values = ""
-            for v in vertices:
-                float_values += " " + \
-                    str(v.tangent.x) + " " + \
-                    str(v.tangent.y) + " " + str(v.tangent.z)
-            self.writel(S_GEOM, 4, '<float_array id="' + meshid +
-                        '-tangents-array" count="' +
-                        str(len(vertices) * 3) + '">' + float_values +
-                        '</float_array>')
-            self.writel(S_GEOM, 4, '<technique_common>')
-            self.writel(S_GEOM, 4, '<accessor source="#' + meshid +
-                        '-tangents-array" count="' + str(len(vertices)) +
-                        '" stride="3">')
-            self.writel(S_GEOM, 5, '<param name="X" type="float"/>')
-            self.writel(S_GEOM, 5, '<param name="Y" type="float"/>')
-            self.writel(S_GEOM, 5, '<param name="Z" type="float"/>')
-            self.writel(S_GEOM, 4, '</accessor>')
-            self.writel(S_GEOM, 4, '</technique_common>')
-            self.writel(S_GEOM, 3, '</source>')
-
-            self.writel(S_GEOM, 3, '<source id="' + meshid + '-bitangents">')
-            float_values = ""
-            for v in vertices:
-                float_values += " " + \
-                    str(v.bitangent.x) + " " + \
-                    str(v.bitangent.y) + " " + str(v.bitangent.z)
-            self.writel(S_GEOM, 4, '<float_array id="' + meshid +
-                        '-bitangents-array" count="' +
-                        str(len(vertices) * 3) + '">' + float_values +
-                        '</float_array>')
-            self.writel(S_GEOM, 4, '<technique_common>')
-            self.writel(S_GEOM, 4, '<accessor source="#' + meshid +
-                        '-bitangents-array" count="' + str(len(vertices)) +
-                        '" stride="3">')
-            self.writel(S_GEOM, 5, '<param name="X" type="float"/>')
-            self.writel(S_GEOM, 5, '<param name="Y" type="float"/>')
-            self.writel(S_GEOM, 5, '<param name="Z" type="float"/>')
-            self.writel(S_GEOM, 4, '</accessor>')
-            self.writel(S_GEOM, 4, '</technique_common>')
-            self.writel(S_GEOM, 3, '</source>')
-
-        # UV Arrays
-
-        for uvi in range(uv_layer_count):
-
-            self.writel(S_GEOM, 3, '<source id="' + meshid +
-                        '-texcoord-' + str(uvi) + '">')
-            float_values = ""
-            for v in vertices:
-                try:
-                    float_values += " " + \
-                        str(v.uv[uvi].x) + " " + str(v.uv[uvi].y)
-                except:
-                    # I don't understand this weird multi-uv-layer API, but
-                    # with this it seems to works
-                    float_values += " 0 0 "
-
-            self.writel(S_GEOM, 4, '<float_array id="' + meshid +
-                        '-texcoord-' + str(uvi) +
-                        '-array" count="' + str(len(vertices) * 2) + '">' +
-                        float_values + '</float_array>')
-            self.writel(S_GEOM, 4, '<technique_common>')
-            self.writel(S_GEOM, 4, '<accessor source="#' + meshid +
-                        '-texcoord-' +
-                        str(uvi) + '-array" count="' + str(len(vertices)) +
-                        '" stride="2">')
-            self.writel(S_GEOM, 5, '<param name="S" type="float"/>')
-            self.writel(S_GEOM, 5, '<param name="T" type="float"/>')
-            self.writel(S_GEOM, 4, '</accessor>')
-            self.writel(S_GEOM, 4, '</technique_common>')
-            self.writel(S_GEOM, 3, '</source>')
-
-        # Color Arrays
-
-        if (has_colors):
-            self.writel(S_GEOM, 3, '<source id="' + meshid + '-colors">')
-            float_values = ""
-            for v in vertices:
-                float_values += " " + \
-                    str(v.color.x) + " " + \
-                    str(v.color.y) + " " + str(v.color.z)
-            self.writel(S_GEOM, 4, '<float_array id="' + meshid +
-                        '-colors-array" count="' +
-                        str(len(vertices) * 3) + '">' + float_values +
-                        '</float_array>')
-            self.writel(S_GEOM, 4, '<technique_common>')
-            self.writel(S_GEOM, 4, '<accessor source="#' + meshid +
-                        '-colors-array" count="' + str(len(vertices)) +
-                        '" stride="3">')
-            self.writel(S_GEOM, 5, '<param name="X" type="float"/>')
-            self.writel(S_GEOM, 5, '<param name="Y" type="float"/>')
-            self.writel(S_GEOM, 5, '<param name="Z" type="float"/>')
-            self.writel(S_GEOM, 4, '</accessor>')
-            self.writel(S_GEOM, 4, '</technique_common>')
-            self.writel(S_GEOM, 3, '</source>')
-
-        # Triangle Lists
-        self.writel(S_GEOM, 3, '<vertices id="' + meshid + '-vertices">')
-        self.writel(
-            S_GEOM, 4, '<input semantic="POSITION" source="#' + meshid +
-            '-positions"/>')
-        self.writel(S_GEOM, 3, '</vertices>')
-
-        prim_type = ""
-        if (triangulate):
-            prim_type = "triangles"
-        else:
-            prim_type = "polygons"
-
-        for m in surface_indices:
-            indices = surface_indices[m]
-            mat = materials[m]
-
-            if (mat is not None):
-                matref = self.new_id("trimat")
-                self.writel(S_GEOM, 3, '<' + prim_type + ' count="' + str(
-                    int(len(indices))) + '" material="' + matref +
-                            '">')  # todo material
-                mat_assign.append((mat, matref))
-            else:
-                self.writel(S_GEOM, 3, '<' + prim_type + ' count="' +
-                            str(int(len(indices))) + '">')  # todo material
-
-            self.writel(S_GEOM, 4, '<input semantic="VERTEX" source="#' +
-                        meshid + '-vertices" offset="0"/>')
-            self.writel(S_GEOM, 4, '<input semantic="NORMAL" source="#' +
-                        meshid + '-normals" offset="0"/>')
-
-            for uvi in range(uv_layer_count):
-                self.writel(S_GEOM, 4, '<input semantic="TEXCOORD" source="#' +
-                            meshid +
-                            '-texcoord-' + str(uvi) + '" offset="0" set="' +
-                            str(uvi) + '"/>')
-
-            if (has_colors):
-                self.writel(S_GEOM, 4, '<input semantic="COLOR" source="#' +
-                            meshid + '-colors" offset="0"/>')
-            if (has_tangents):
-                self.writel(S_GEOM, 4,
-                            '<input semantic="TEXTANGENT" source="#' +
-                            meshid + '-tangents" offset="0"/>')
-                self.writel(S_GEOM, 4,
-                            '<input semantic="TEXBINORMAL" source="#' +
-                            meshid + '-bitangents" offset="0"/>')
-
-            if (triangulate):
-                int_values = "<p>"
-                for p in indices:
-                    for i in p:
-                        int_values += " " + str(i)
-                int_values += " </p>"
-                self.writel(S_GEOM, 4, int_values)
-            else:
-                for p in indices:
-                    int_values = "<p>"
-                    for i in p:
-                        int_values += " " + str(i)
-                    int_values += " </p>"
-                    self.writel(S_GEOM, 4, int_values)
-
-            self.writel(S_GEOM, 3, '</' + prim_type + '>')
-
-        self.writel(S_GEOM, 2, '</mesh>')
-        self.writel(S_GEOM, 1, '</geometry>')
-
-        meshdata = {}
-        meshdata["id"] = meshid
-        meshdata["material_assign"] = mat_assign
-        if (skeyindex == -1):
-            self.mesh_cache[node.data] = meshdata
-
-        # Export armature data (if armature exists)
-
-        if (armature is not None and (
-                skel_source is not None or skeyindex == -1)):
-
-            contid = self.new_id("controller")
-
-            self.writel(S_SKIN, 1, '<controller id="' + contid + '">')
-            if (skel_source is not None):
-                self.writel(S_SKIN, 2, '<skin source="#' + skel_source + '">')
-            else:
-                self.writel(S_SKIN, 2, '<skin source="#' + meshid + '">')
-
-            self.writel(S_SKIN, 3, '<bind_shape_matrix>' +
-                        strmtx(node.matrix_world) + '</bind_shape_matrix>')
-            # Joint Names
-            self.writel(S_SKIN, 3, '<source id="' + contid + '-joints">')
-            name_values = ""
-            for v in si["bone_names"]:
-                name_values += " " + v
-
-            self.writel(S_SKIN, 4, '<Name_array id="' + contid +
-                        '-joints-array" count="' +
-                        str(len(si["bone_names"])) + '">' + name_values +
-                        '</Name_array>')
-            self.writel(S_SKIN, 4, '<technique_common>')
-            self.writel(S_SKIN, 4, '<accessor source="#' + contid +
-                        '-joints-array" count="' + str(len(si["bone_names"])) +
-                        '" stride="1">')
-            self.writel(S_SKIN, 5, '<param name="JOINT" type="Name"/>')
-            self.writel(S_SKIN, 4, '</accessor>')
-            self.writel(S_SKIN, 4, '</technique_common>')
-            self.writel(S_SKIN, 3, '</source>')
-            # Pose Matrices!
-            self.writel(S_SKIN, 3, '<source id="' + contid + '-bind_poses">')
-            pose_values = ""
-            for v in si["bone_bind_poses"]:
-                pose_values += " " + strmtx(v)
-
-            self.writel(S_SKIN, 4, '<float_array id="' + contid +
-                        '-bind_poses-array" count="' +
-                        str(len(si["bone_bind_poses"]) * 16) + '">' +
-                        pose_values + '</float_array>')
-            self.writel(S_SKIN, 4, '<technique_common>')
-            self.writel(S_SKIN, 4, '<accessor source="#' + contid +
-                        '-bind_poses-array" count="' +
-                        str(len(si["bone_bind_poses"])) + '" stride="16">')
-            self.writel(S_SKIN, 5, '<param name="TRANSFORM" type="float4x4"/>')
-            self.writel(S_SKIN, 4, '</accessor>')
-            self.writel(S_SKIN, 4, '</technique_common>')
-            self.writel(S_SKIN, 3, '</source>')
-            # Skin Weights!
-            self.writel(S_SKIN, 3, '<source id="' + contid + '-skin_weights">')
-            skin_weights = ""
-            skin_weights_total = 0
-            for v in vertices:
-                skin_weights_total += len(v.weights)
-                for w in v.weights:
-                    skin_weights += " " + str(w)
-
-            self.writel(S_SKIN, 4, '<float_array id="' + contid +
-                        '-skin_weights-array" count="' +
-                        str(skin_weights_total) + '">' + skin_weights +
-                        '</float_array>')
-            self.writel(S_SKIN, 4, '<technique_common>')
-            self.writel(S_SKIN, 4, '<accessor source="#' + contid +
-                        '-skin_weights-array" count="' +
-                        str(skin_weights_total) + '" stride="1">')
-            self.writel(S_SKIN, 5, '<param name="WEIGHT" type="float"/>')
-            self.writel(S_SKIN, 4, '</accessor>')
-            self.writel(S_SKIN, 4, '</technique_common>')
-            self.writel(S_SKIN, 3, '</source>')
-
-            self.writel(S_SKIN, 3, '<joints>')
-            self.writel(
-                S_SKIN, 4, '<input semantic="JOINT" source="#' + contid +
-                '-joints"/>')
-            self.writel(
-                S_SKIN, 4, '<input semantic="INV_BIND_MATRIX" source="#' +
-                contid + '-bind_poses"/>')
-            self.writel(S_SKIN, 3, '</joints>')
-            self.writel(S_SKIN, 3, '<vertex_weights count="' +
-                        str(len(vertices)) + '">')
-            self.writel(S_SKIN, 4, '<input semantic="JOINT" source="#' +
-                        contid + '-joints" offset="0"/>')
-            self.writel(S_SKIN, 4, '<input semantic="WEIGHT" source="#' +
-                        contid + '-skin_weights" offset="1"/>')
-            vcounts = ""
-            vs = ""
-            vcount = 0
-            for v in vertices:
-                vcounts += " " + str(len(v.weights))
-                for b in v.bones:
-                    vs += " " + str(b)
-                    vs += " " + str(vcount)
-                    vcount += 1
-            self.writel(S_SKIN, 4, '<vcount>' + vcounts + '</vcount>')
-            self.writel(S_SKIN, 4, '<v>' + vs + '</v>')
-            self.writel(S_SKIN, 3, '</vertex_weights>')
-
-            self.writel(S_SKIN, 2, '</skin>')
-            self.writel(S_SKIN, 1, '</controller>')
-            meshdata["skin_id"] = contid
-
-        return meshdata
-
-    def export_mesh_node(self, node, il):
-        if (node.data is None):
-            return
-
-        armature = None
-        armcount = 0
-        for n in node.modifiers:
-            if (n.type == "ARMATURE"):
-                armcount += 1
-
-        if (node.parent is not None):
-            if (node.parent.type == "ARMATURE"):
-                armature = node.parent
-                if (armcount > 1):
-                    self.operator.report({'WARNING'}, 'Object "' + node.name +
-                                         '" refers to more than one armature! '
-                                         'This is unsupported.')
-                if (armcount == 0):
-                    self.operator.report({'WARNING'}, 'Object "' + node.name +
-                                         '" is child of an armature, but has '
-                                         'no armature modifier.')
-
-        if (armcount > 0 and not armature):
-            self.operator.report({'WARNING'}, 'Object "' + node.name +
-                                 '" has armature modifier, but is not a child '
-                                 'of an armature. This is unsupported.')
-
-        if (node.data.shape_keys is not None):
-            sk = node.data.shape_keys
-            if (sk.animation_data):
-                    # print("HAS ANIM")
-                    # print("DRIVERS: "+str(len(sk.animation_data.drivers)))
-                for d in sk.animation_data.drivers:
-                    if (d.driver):
-                        for v in d.driver.variables:
-                            for t in v.targets:
-                                if (t.id is not None and
-                                        t.id.name in self.scene.objects):
-                                    # print("LINKING " + str(node) + " WITH " +
-                                    #     str(t.id.name))
-                                    self.armature_for_morph[
-                                        node] = self.scene.objects[t.id.name]
-
-        meshdata = self.export_mesh(node, armature)
-        close_controller = False
-
-        if ("skin_id" in meshdata):
-            close_controller = True
-            self.writel(S_NODES, il, '<instance_controller url="#' +
-                        meshdata["skin_id"] + '">')
-            for sn in self.skeleton_info[armature]["skeleton_nodes"]:
-                self.writel(S_NODES, il + 1, '<skeleton>#' +
-                            sn + '</skeleton>')
-        elif ("morph_id" in meshdata):
-            self.writel(S_NODES, il, '<instance_controller url="#' +
-                        meshdata["morph_id"] + '">')
-            close_controller = True
-        elif (armature is None):
-            self.writel(S_NODES, il, '<instance_geometry url="#' +
-                        meshdata["id"] + '">')
-
-        if (len(meshdata["material_assign"]) > 0):
-
-            self.writel(S_NODES, il + 1, '<bind_material>')
-            self.writel(S_NODES, il + 2, '<technique_common>')
-            for m in meshdata["material_assign"]:
-                self.writel(S_NODES, il + 3, '<instance_material symbol="' +
-                            m[1] + '" target="#' + m[0] + '"/>')
-
-            self.writel(S_NODES, il + 2, '</technique_common>')
-            self.writel(S_NODES, il + 1, '</bind_material>')
-
-        if (close_controller):
-            self.writel(S_NODES, il, '</instance_controller>')
-        else:
-            self.writel(S_NODES, il, '</instance_geometry>')
-
-    def export_armature_bone(self, bone, il, si):
-        boneid = self.new_id("bone")
-        boneidx = si["bone_count"]
-        si["bone_count"] += 1
-        bonesid = si["id"] + "-" + str(boneidx)
-        if (bone.name in self.used_bones):
-            if (self.config["use_anim_action_all"]):
-                self.operator.report({'WARNING'}, 'Bone name "' + bone.name +
-                                     '" used in more than one skeleton. '
-                                     'Actions might export wrong.')
-        else:
-            self.used_bones.append(bone.name)
-
-        si["bone_index"][bone.name] = boneidx
-        si["bone_ids"][bone] = boneid
-        si["bone_names"].append(bonesid)
-        self.writel(S_NODES, il, '<node id="' + boneid + '" sid="' +
-                    bonesid + '" name="' + bone.name + '" type="JOINT">')
-        il += 1
-        xform = bone.matrix_local
-        si["bone_bind_poses"].append((si["armature_xform"] * xform).inverted())
-
-        if (bone.parent is not None):
-            xform = bone.parent.matrix_local.inverted() * xform
-        else:
-            si["skeleton_nodes"].append(boneid)
-
-        self.writel(S_NODES, il, '<matrix sid="transform">' +
-                    strmtx(xform) + '</matrix>')
-        for c in bone.children:
-            self.export_armature_bone(c, il, si)
-        il -= 1
-        self.writel(S_NODES, il, '</node>')
-
-    def export_armature_node(self, node, il):
-        if (node.data is None):
-            return
-
-        self.skeletons.append(node)
-
-        armature = node.data
-        self.skeleton_info[node] = {
-            "bone_count": 0,
-            "id": self.new_id("skelbones"),
-            "name": node.name, "bone_index": {},
-            "bone_ids": {}, "bone_names": [], "bone_bind_poses": [],
-            "skeleton_nodes": [],
-            "armature_xform": node.matrix_world}
-
-        for b in armature.bones:
-            if (b.parent is not None):
-                continue
-            self.export_armature_bone(b, il, self.skeleton_info[node])
-
-        if (node.pose):
-            for b in node.pose.bones:
-                for x in b.constraints:
-                    if (x.type == 'ACTION'):
-                        self.action_constraints.append(x.action)
-
-    def export_camera_node(self, node, il):
-        if (node.data is None):
-            return
-
-        camera = node.data
-        camid = self.new_id("camera")
-        self.writel(S_CAMS, 1, '<camera id="' + camid +
-                    '" name="' + camera.name + '">')
-        self.writel(S_CAMS, 2, '<optics>')
-        self.writel(S_CAMS, 3, '<technique_common>')
-        if (camera.type == "PERSP"):
-            self.writel(S_CAMS, 4, '<perspective>')
-            self.writel(S_CAMS, 5, '<yfov> ' +
-                        # I think?
-                        str(math.degrees(camera.angle)) + ' </yfov>')
-            self.writel(S_CAMS, 5, '<aspect_ratio> ' +
-                        str(self.scene.render.resolution_x /
-                            self.scene.render.resolution_y) +
-                        ' </aspect_ratio>')
-            self.writel(S_CAMS, 5, '<znear> ' +
-                        str(camera.clip_start) + ' </znear>')
-            self.writel(S_CAMS, 5, '<zfar> ' +
-                        str(camera.clip_end) + ' </zfar>')
-            self.writel(S_CAMS, 4, '</perspective>')
-        else:
-            self.writel(S_CAMS, 4, '<orthographic>')
-            self.writel(S_CAMS, 5, '<xmag> ' +
-                        str(camera.ortho_scale * 0.5) + ' </xmag>')  # I think?
-            self.writel(S_CAMS, 5, '<aspect_ratio> ' + str(
-                self.scene.render.resolution_x /
-                self.scene.render.resolution_y) + ' </aspect_ratio>')
-            self.writel(S_CAMS, 5, '<znear> ' +
-                        str(camera.clip_start) + ' </znear>')
-            self.writel(S_CAMS, 5, '<zfar> ' +
-                        str(camera.clip_end) + ' </zfar>')
-            self.writel(S_CAMS, 4, '</orthographic>')
-
-        self.writel(S_CAMS, 3, '</technique_common>')
-        self.writel(S_CAMS, 2, '</optics>')
-        self.writel(S_CAMS, 1, '</camera>')
-
-        self.writel(S_NODES, il, '<instance_camera url="#' + camid + '"/>')
-
-    def export_lamp_node(self, node, il):
-        if (node.data is None):
-            return
-
-        light = node.data
-        lightid = self.new_id("light")
-        self.writel(S_LAMPS, 1, '<light id="' + lightid +
-                    '" name="' + light.name + '">')
-        # self.writel(S_LAMPS, 2, '<optics>')
-        self.writel(S_LAMPS, 3, '<technique_common>')
-
-        if (light.type == "POINT"):
-            self.writel(S_LAMPS, 4, '<point>')
-            self.writel(S_LAMPS, 5, '<color>' +
-                        strarr(light.color) + '</color>')
-            # convert to linear attenuation
-            att_by_distance = 2.0 / light.distance
-            self.writel(S_LAMPS, 5, '<linear_attenuation>' +
-                        str(att_by_distance) + '</linear_attenuation>')
-            if (light.use_sphere):
-                self.writel(S_LAMPS, 5, '<zfar>' +
-                            str(light.distance) + '</zfar>')
-
-            self.writel(S_LAMPS, 4, '</point>')
-        elif (light.type == "SPOT"):
-            self.writel(S_LAMPS, 4, '<spot>')
-            self.writel(S_LAMPS, 5, '<color>' +
-                        strarr(light.color) + '</color>')
-            # convert to linear attenuation
-            att_by_distance = 2.0 / light.distance
-            self.writel(S_LAMPS, 5, '<linear_attenuation>' +
-                        str(att_by_distance) + '</linear_attenuation>')
-            self.writel(S_LAMPS, 5, '<falloff_angle>' +
-                        str(math.degrees(light.spot_size / 2)) +
-                        '</falloff_angle>')
-            self.writel(S_LAMPS, 4, '</spot>')
-
-        else:  # write a sun lamp for everything else (not supported)
-            self.writel(S_LAMPS, 4, '<directional>')
-            self.writel(S_LAMPS, 5, '<color>' +
-                        strarr(light.color) + '</color>')
-            self.writel(S_LAMPS, 4, '</directional>')
-
-        self.writel(S_LAMPS, 3, '</technique_common>')
-        # self.writel(S_LAMPS, 2, '</optics>')
-        self.writel(S_LAMPS, 1, '</light>')
-
-        self.writel(S_NODES, il, '<instance_light url="#' + lightid + '"/>')
-
-    def export_empty_node(self, node, il):
-        self.writel(S_NODES, 4, '<extra>')
-        self.writel(S_NODES, 5, '<technique profile="GODOT">')
-        self.writel(S_NODES, 6, '<empty_draw_type>' +
-                    node.empty_draw_type + '</empty_draw_type>')
-        self.writel(S_NODES, 5, '</technique>')
-        self.writel(S_NODES, 4, '</extra>')
-
-    def export_curve(self, curve):
-        splineid = self.new_id("spline")
-
-        self.writel(S_GEOM, 1, '<geometry id="' +
-                    splineid + '" name="' + curve.name + '">')
-        self.writel(S_GEOM, 2, '<spline closed="0">')
-
-        points = []
-        interps = []
-        handles_in = []
-        handles_out = []
-        tilts = []
-
-        for cs in curve.splines:
-
-            if (cs.type == "BEZIER"):
-                for s in cs.bezier_points:
-                    points.append(s.co[0])
-                    points.append(s.co[1])
-                    points.append(s.co[2])
-
-                    handles_in.append(s.handle_left[0])
-                    handles_in.append(s.handle_left[1])
-                    handles_in.append(s.handle_left[2])
-
-                    handles_out.append(s.handle_right[0])
-                    handles_out.append(s.handle_right[1])
-                    handles_out.append(s.handle_right[2])
-
-                    tilts.append(s.tilt)
-                    interps.append("BEZIER")
-            else:
-
-                for s in cs.points:
-                    points.append(s.co[0])
-                    points.append(s.co[1])
-                    points.append(s.co[2])
-                    handles_in.append(s.co[0])
-                    handles_in.append(s.co[1])
-                    handles_in.append(s.co[2])
-                    handles_out.append(s.co[0])
-                    handles_out.append(s.co[1])
-                    handles_out.append(s.co[2])
-                    tilts.append(s.tilt)
-                    interps.append("LINEAR")
-
-        self.writel(S_GEOM, 3, '<source id="' + splineid + '-positions">')
-        position_values = ""
-        for x in points:
-            position_values += " " + str(x)
-        self.writel(S_GEOM, 4, '<float_array id="' + splineid +
-                    '-positions-array" count="' +
-                    str(len(points)) + '">' + position_values +
-                    '</float_array>')
-        self.writel(S_GEOM, 4, '<technique_common>')
-        self.writel(S_GEOM, 4, '<accessor source="#' + splineid +
-                    '-positions-array" count="' + str(len(points) / 3) +
-                    '" stride="3">')
-        self.writel(S_GEOM, 5, '<param name="X" type="float"/>')
-        self.writel(S_GEOM, 5, '<param name="Y" type="float"/>')
-        self.writel(S_GEOM, 5, '<param name="Z" type="float"/>')
-        self.writel(S_GEOM, 4, '</accessor>')
-        self.writel(S_GEOM, 3, '</source>')
-
-        self.writel(S_GEOM, 3, '<source id="' + splineid + '-intangents">')
-        intangent_values = ""
-        for x in handles_in:
-            intangent_values += " " + str(x)
-        self.writel(S_GEOM, 4, '<float_array id="' + splineid +
-                    '-intangents-array" count="' +
-                    str(len(points)) + '">' + intangent_values +
-                    '</float_array>')
-        self.writel(S_GEOM, 4, '<technique_common>')
-        self.writel(S_GEOM, 4, '<accessor source="#' + splineid +
-                    '-intangents-array" count="' + str(len(points) / 3) +
-                    '" stride="3">')
-        self.writel(S_GEOM, 5, '<param name="X" type="float"/>')
-        self.writel(S_GEOM, 5, '<param name="Y" type="float"/>')
-        self.writel(S_GEOM, 5, '<param name="Z" type="float"/>')
-        self.writel(S_GEOM, 4, '</accessor>')
-        self.writel(S_GEOM, 3, '</source>')
-
-        self.writel(S_GEOM, 3, '<source id="' + splineid + '-outtangents">')
-        outtangent_values = ""
-        for x in handles_out:
-            outtangent_values += " " + str(x)
-        self.writel(S_GEOM, 4, '<float_array id="' + splineid +
-                    '-outtangents-array" count="' +
-                    str(len(points)) + '">' + outtangent_values +
-                    '</float_array>')
-        self.writel(S_GEOM, 4, '<technique_common>')
-        self.writel(S_GEOM, 4, '<accessor source="#' + splineid +
-                    '-outtangents-array" count="' + str(len(points) / 3) +
-                    '" stride="3">')
-        self.writel(S_GEOM, 5, '<param name="X" type="float"/>')
-        self.writel(S_GEOM, 5, '<param name="Y" type="float"/>')
-        self.writel(S_GEOM, 5, '<param name="Z" type="float"/>')
-        self.writel(S_GEOM, 4, '</accessor>')
-        self.writel(S_GEOM, 3, '</source>')
-
-        self.writel(S_GEOM, 3, '<source id="' + splineid + '-interpolations">')
-        interpolation_values = ""
-        for x in interps:
-            interpolation_values += " " + x
-        self.writel(S_GEOM, 4, '<Name_array id="' + splineid +
-                    '-interpolations-array" count="' +
-                    str(len(interps)) + '">' + interpolation_values +
-                    '</Name_array>')
-        self.writel(S_GEOM, 4, '<technique_common>')
-        self.writel(S_GEOM, 4, '<accessor source="#' + splineid +
-                    '-interpolations-array" count="' + str(len(interps)) +
-                    '" stride="1">')
-        self.writel(S_GEOM, 5, '<param name="INTERPOLATION" type="name"/>')
-        self.writel(S_GEOM, 4, '</accessor>')
-        self.writel(S_GEOM, 3, '</source>')
-
-        self.writel(S_GEOM, 3, '<source id="' + splineid + '-tilts">')
-        tilt_values = ""
-        for x in tilts:
-            tilt_values += " " + str(x)
-        self.writel(S_GEOM, 4, '<float_array id="' + splineid +
-                    '-tilts-array" count="' +
-                    str(len(tilts)) + '">' + tilt_values + '</float_array>')
-        self.writel(S_GEOM, 4, '<technique_common>')
-        self.writel(S_GEOM, 4, '<accessor source="#' + splineid +
-                    '-tilts-array" count="' + str(len(tilts)) +
-                    '" stride="1">')
-        self.writel(S_GEOM, 5, '<param name="TILT" type="float"/>')
-        self.writel(S_GEOM, 4, '</accessor>')
-        self.writel(S_GEOM, 3, '</source>')
-
-        self.writel(S_GEOM, 3, '<control_vertices>')
-        self.writel(
-            S_GEOM, 4, '<input semantic="POSITION" source="#' + splineid +
-            '-positions"/>')
-        self.writel(S_GEOM, 4, '<input semantic="IN_TANGENT" source="#' +
-                    splineid + '-intangents"/>')
-        self.writel(S_GEOM, 4, '<input semantic="OUT_TANGENT" source="#' +
-                    splineid + '-outtangents"/>')
-        self.writel(S_GEOM, 4, '<input semantic="INTERPOLATION" source="#' +
-                    splineid + '-interpolations"/>')
-        self.writel(S_GEOM, 4, '<input semantic="TILT" source="#' +
-                    splineid + '-tilts"/>')
-        self.writel(S_GEOM, 3, '</control_vertices>')
-
-        self.writel(S_GEOM, 2, '</spline>')
-        self.writel(S_GEOM, 1, '</geometry>')
-
-        return splineid
-
-    def export_curve_node(self, node, il):
-        if (node.data is None):
-            return
-
-        curveid = self.export_curve(node.data)
-
-        self.writel(S_NODES, il, '<instance_geometry url="#' + curveid + '">')
-        self.writel(S_NODES, il, '</instance_geometry>')
-
-    def export_node(self, node, il):
-        if (node not in self.valid_nodes):
-            return
-
-        prev_node = bpy.context.scene.objects.active
-        bpy.context.scene.objects.active = node
-
-        self.writel(S_NODES, il, '<node id="' + self.validate_id(node.name) +
-                    '" name="' + node.name + '" type="NODE">')
-        il += 1
-
-        self.writel(S_NODES, il, '<matrix sid="transform">' +
-                    strmtx(node.matrix_local) + '</matrix>')
-        # print("NODE TYPE: "+node.type+" NAME: "+node.name)
-        if (node.type == "MESH"):
-            self.export_mesh_node(node, il)
-        elif (node.type == "CURVE"):
-            self.export_curve_node(node, il)
-        elif (node.type == "ARMATURE"):
-            self.export_armature_node(node, il)
-        elif (node.type == "CAMERA"):
-            self.export_camera_node(node, il)
-        elif (node.type == "LAMP"):
-            self.export_lamp_node(node, il)
-        elif (node.type == "EMPTY"):
-            self.export_empty_node(node, il)
-
-        for x in node.children:
-            self.export_node(x, il)
-
-        il -= 1
-        self.writel(S_NODES, il, '</node>')
-        # make previous node active again
-        bpy.context.scene.objects.active = prev_node
-
-    def is_node_valid(self, node):
-        if (node.type not in self.config["object_types"]):
-            return False
-
-        if (self.config["use_active_layers"]):
-            valid = False
-            # print("NAME: "+node.name)
-            for i in range(20):
-                if (node.layers[i] and self.scene.layers[i]):
-                    valid = True
-                    break
-            if (not valid):
-                return False
-
-        if (self.config["use_export_selected"] and not node.select):
-            return False
-
-        return True
-
-    def export_scene(self):
-        self.writel(S_NODES, 0, '<library_visual_scenes>')
-        self.writel(S_NODES, 1, '<visual_scene id="' +
-                    self.scene_name + '" name="scene">')
-
-        # validate nodes
-        for obj in self.scene.objects:
-            if (obj in self.valid_nodes):
-                continue
-            if (self.is_node_valid(obj)):
-                n = obj
-                while (n is not None):
-                    if (n not in self.valid_nodes):
-                        self.valid_nodes.append(n)
-                    n = n.parent
-
-        for obj in self.scene.objects:
-            if (obj in self.valid_nodes and obj.parent is None):
-                self.export_node(obj, 2)
-
-        self.writel(S_NODES, 1, '</visual_scene>')
-        self.writel(S_NODES, 0, '</library_visual_scenes>')
-
-    def export_asset(self):
-        self.writel(S_ASSET, 0, '<asset>')
-        # Why is this time stuff mandatory?, no one could care less...
-        self.writel(S_ASSET, 1, '<contributor>')
-        # Who made Collada, the FBI ?
-        self.writel(S_ASSET, 2, '<author> Anonymous </author>')
-        # Who made Collada, the FBI ?
-        self.writel(
-            S_ASSET, 2, '<authoring_tool> Collada Exporter for Blender 2.6+, '
-            'by Juan Linietsky (juan@codenix.com) </authoring_tool>')
-        self.writel(S_ASSET, 1, '</contributor>')
-        self.writel(S_ASSET, 1, '<created>' +
-                    time.strftime("%Y-%m-%dT%H:%M:%SZ     ") + '</created>')
-        self.writel(S_ASSET, 1, '<modified>' +
-                    time.strftime("%Y-%m-%dT%H:%M:%SZ") + '</modified>')
-        self.writel(S_ASSET, 1, '<unit meter="1.0" name="meter"/>')
-        self.writel(S_ASSET, 1, '<up_axis>Z_UP</up_axis>')
-        self.writel(S_ASSET, 0, '</asset>')
-
-    def export_animation_transform_channel(self, target, keys, matrices=True):
-        frame_total = len(keys)
-        anim_id = self.new_id("anim")
-        self.writel(S_ANIM, 1, '<animation id="' + anim_id + '">')
-        source_frames = ""
-        source_transforms = ""
-        source_interps = ""
-
-        for k in keys:
-            source_frames += " " + str(k[0])
-            if (matrices):
-                source_transforms += " " + strmtx(k[1])
-            else:
-                source_transforms += " " + str(k[1])
-
-            source_interps += " LINEAR"
-
-        # Time Source
-        self.writel(S_ANIM, 2, '<source id="' + anim_id + '-input">')
-        self.writel(S_ANIM, 3, '<float_array id="' + anim_id +
-                    '-input-array" count="' +
-                    str(frame_total) + '">' + source_frames + '</float_array>')
-        self.writel(S_ANIM, 3, '<technique_common>')
-        self.writel(S_ANIM, 4, '<accessor source="#' + anim_id +
-                    '-input-array" count="' + str(frame_total) +
-                    '" stride="1">')
-        self.writel(S_ANIM, 5, '<param name="TIME" type="float"/>')
-        self.writel(S_ANIM, 4, '</accessor>')
-        self.writel(S_ANIM, 3, '</technique_common>')
-        self.writel(S_ANIM, 2, '</source>')
-
-        if (matrices):
-            # Transform Source
-            self.writel(S_ANIM, 2, '<source id="' +
-                        anim_id + '-transform-output">')
-            self.writel(S_ANIM, 3, '<float_array id="' + anim_id +
-                        '-transform-output-array" count="' +
-                        str(frame_total * 16) + '">' + source_transforms +
-                        '</float_array>')
-            self.writel(S_ANIM, 3, '<technique_common>')
-            self.writel(S_ANIM, 4, '<accessor source="#' + anim_id +
-                        '-transform-output-array" count="' + str(frame_total) +
-                        '" stride="16">')
-            self.writel(S_ANIM, 5, '<param name="TRANSFORM" type="float4x4"/>')
-            self.writel(S_ANIM, 4, '</accessor>')
-            self.writel(S_ANIM, 3, '</technique_common>')
-            self.writel(S_ANIM, 2, '</source>')
-        else:
-            # Value Source
-            self.writel(S_ANIM, 2, '<source id="' +
-                        anim_id + '-transform-output">')
-            self.writel(S_ANIM, 3, '<float_array id="' + anim_id +
-                        '-transform-output-array" count="' +
-                        str(frame_total) + '">' + source_transforms +
-                        '</float_array>')
-            self.writel(S_ANIM, 3, '<technique_common>')
-            self.writel(S_ANIM, 4, '<accessor source="#' + anim_id +
-                        '-transform-output-array" count="' + str(frame_total) +
-                        '" stride="1">')
-            self.writel(S_ANIM, 5, '<param name="X" type="float"/>')
-            self.writel(S_ANIM, 4, '</accessor>')
-            self.writel(S_ANIM, 3, '</technique_common>')
-            self.writel(S_ANIM, 2, '</source>')
-
-        # Interpolation Source
-        self.writel(S_ANIM, 2, '<source id="' +
-                    anim_id + '-interpolation-output">')
-        self.writel(S_ANIM, 3, '<Name_array id="' + anim_id +
-                    '-interpolation-output-array" count="' +
-                    str(frame_total) + '">' + source_interps + '</Name_array>')
-        self.writel(S_ANIM, 3, '<technique_common>')
-        self.writel(S_ANIM, 4, '<accessor source="#' + anim_id +
-                    '-interpolation-output-array" count="' + str(frame_total) +
-                    '" stride="1">')
-        self.writel(S_ANIM, 5, '<param name="INTERPOLATION" type="Name"/>')
-        self.writel(S_ANIM, 4, '</accessor>')
-        self.writel(S_ANIM, 3, '</technique_common>')
-        self.writel(S_ANIM, 2, '</source>')
-
-        self.writel(S_ANIM, 2, '<sampler id="' + anim_id + '-sampler">')
-        self.writel(S_ANIM, 3, '<input semantic="INPUT" source="#' +
-                    anim_id + '-input"/>')
-        self.writel(S_ANIM, 3, '<input semantic="OUTPUT" source="#' +
-                    anim_id + '-transform-output"/>')
-        self.writel(S_ANIM, 3, '<input semantic="INTERPOLATION" source="#' +
-                    anim_id + '-interpolation-output"/>')
-        self.writel(S_ANIM, 2, '</sampler>')
-        if (matrices):
-            self.writel(S_ANIM, 2, '<channel source="#' + anim_id +
-                        '-sampler" target="' + target + '/transform"/>')
-        else:
-            self.writel(S_ANIM, 2, '<channel source="#' +
-                        anim_id + '-sampler" target="' + target + '"/>')
-        self.writel(S_ANIM, 1, '</animation>')
-
-        return [anim_id]
-
-    def export_animation(self, start, end, allowed=None):
-        # Blender -> Collada frames needs a little work
-        # Collada starts from 0, blender usually from 1
-        # The last frame must be included also
-
-        frame_orig = self.scene.frame_current
-
-        frame_len = 1.0 / self.scene.render.fps
-        frame_total = end - start + 1
-        frame_sub = 0
-        if (start > 0):
-            frame_sub = start * frame_len
-
-        tcn = []
-        xform_cache = {}
-        blend_cache = {}
-        # Change frames first, export objects last
-        # This improves performance enormously
-
-        # print("anim from: " + str(start) + " to " + str(end) + " allowed: " +
-        #     str(allowed))
-        for t in range(start, end + 1):
-            self.scene.frame_set(t)
-            key = t * frame_len - frame_sub
-#            print("Export Anim Frame "+str(t)+"/"+str(self.scene.frame_end+1))
-
-            for node in self.scene.objects:
-
-                if (node not in self.valid_nodes):
-                    continue
-                if (allowed is not None and not (node in allowed)):
-                    if (node.type == "MESH" and node.data is not None and
-                        (node in self.armature_for_morph) and (
-                            self.armature_for_morph[node] in allowed)):
-                        # all good you pass with flying colors for morphs
-                        # inside of action
-                        pass
-                    else:
-                        # print("fail "+str((node in self.armature_for_morph)))
-                        continue
-                if (node.type == "MESH" and node.data is not None and
-                    node.data.shape_keys is not None and (
-                        node.data in self.mesh_cache) and len(
-                            node.data.shape_keys.key_blocks)):
-                    target = self.mesh_cache[node.data]["morph_id"]
-                    for i in range(len(node.data.shape_keys.key_blocks)):
-
-                        if (i == 0):
-                            continue
-
-                        name = target + "-morph-weights(" + str(i - 1) + ")"
-                        if (not (name in blend_cache)):
-                            blend_cache[name] = []
-
-                        blend_cache[name].append(
-                            (key, node.data.shape_keys.key_blocks[i].value))
-
-                if (node.type == "MESH" and node.parent and
-                        node.parent.type == "ARMATURE"):
-
-                    # In Collada, nodes that have skin modifier must not export
-                    # animation, animate the skin instead.
-                    continue
-
-                if (len(node.constraints) > 0 or
-                        node.animation_data is not None):
-                    # If the node has constraints, or animation data, then
-                    # export a sampled animation track
-                    name = self.validate_id(node.name)
-                    if (not (name in xform_cache)):
-                        xform_cache[name] = []
-
-                    mtx = node.matrix_world.copy()
-                    if (node.parent):
-                        mtx = node.parent.matrix_world.inverted() * mtx
-
-                    xform_cache[name].append((key, mtx))
-
-                if (node.type == "ARMATURE"):
-                    # All bones exported for now
-
-                    for bone in node.data.bones:
-
-                        bone_name = self.skeleton_info[node]["bone_ids"][bone]
-
-                        if (not (bone_name in xform_cache)):
-                            # print("has bone: " + bone_name)
-                            xform_cache[bone_name] = []
-
-                        posebone = node.pose.bones[bone.name]
-                        parent_posebone = None
-
-                        mtx = posebone.matrix.copy()
-                        if (bone.parent):
-                            parent_posebone = node.pose.bones[bone.parent.name]
-                            parent_invisible = False
-
-                            for i in range(3):
-                                if (parent_posebone.scale[i] == 0.0):
-                                    parent_invisible = True
-
-                            if (not parent_invisible):
-                                mtx = parent_posebone.matrix.inverted() * mtx
-
-                        xform_cache[bone_name].append((key, mtx))
-
-        self.scene.frame_set(frame_orig)
-
-        # export animation xml
-        for nid in xform_cache:
-            tcn += self.export_animation_transform_channel(
-                nid, xform_cache[nid], True)
-        for nid in blend_cache:
-            tcn += self.export_animation_transform_channel(
-                nid, blend_cache[nid], False)
-
-        return tcn
-
-    def export_animations(self):
-        tmp_mat = []
-        for s in self.skeletons:
-            tmp_bone_mat = []
-            for bone in s.pose.bones:
-                tmp_bone_mat.append(Matrix(bone.matrix_basis))
-                bone.matrix_basis = Matrix()
-            tmp_mat.append([Matrix(s.matrix_local), tmp_bone_mat])
-
-        self.writel(S_ANIM, 0, '<library_animations>')
-
-        if (self.config["use_anim_action_all"] and len(self.skeletons)):
-
-            cached_actions = {}
-
-            for s in self.skeletons:
-                if s.animation_data and s.animation_data.action:
-                    cached_actions[s] = s.animation_data.action.name
-
-            self.writel(S_ANIM_CLIPS, 0, '<library_animation_clips>')
-
-            for x in bpy.data.actions[:]:
-                if x.users == 0 or x in self.action_constraints:
-                    continue
-                if (self.config["use_anim_skip_noexp"] and
-                        x.name.endswith("-noexp")):
-                    continue
-
-                bones = []
-                # find bones used
-                for p in x.fcurves:
-                    dp = str(p.data_path)
-                    base = "pose.bones[\""
-                    if (dp.find(base) == 0):
-                        dp = dp[len(base):]
-                        if (dp.find('"') != -1):
-                            dp = dp[:dp.find('"')]
-                            if (dp not in bones):
-                                bones.append(dp)
-
-                allowed_skeletons = []
-                for i, y in enumerate(self.skeletons):
-                    if (y.animation_data):
-                        for z in y.pose.bones:
-                            if (z.bone.name in bones):
-                                if (y not in allowed_skeletons):
-                                    allowed_skeletons.append(y)
-                        y.animation_data.action = x
-
-                        y.matrix_local = tmp_mat[i][0]
-                        for j, bone in enumerate(s.pose.bones):
-                            bone.matrix_basis = Matrix()
-
-                # print("allowed skeletons "+str(allowed_skeletons))
-
-                # print(str(x))
-
-                tcn = self.export_animation(int(x.frame_range[0]), int(
-                    x.frame_range[1] + 0.5), allowed_skeletons)
-                framelen = (1.0 / self.scene.render.fps)
-                start = x.frame_range[0] * framelen
-                end = x.frame_range[1] * framelen
-                # print("Export anim: "+x.name)
-                self.writel(
-                    S_ANIM_CLIPS, 1, '<animation_clip name="' + x.name +
-                    '" start="' + str(start) + '" end="' + str(end) + '">')
-                for z in tcn:
-                    self.writel(S_ANIM_CLIPS, 2,
-                                '<instance_animation url="#' + z + '"/>')
-                self.writel(S_ANIM_CLIPS, 1, '</animation_clip>')
-                if (len(tcn) == 0):
-                    self.operator.report(
-                        {'WARNING'}, 'Animation clip "' + x.name +
-                        '" contains no tracks.')
-
-            self.writel(S_ANIM_CLIPS, 0, '</library_animation_clips>')
-
-            for i, s in enumerate(self.skeletons):
-                if (s.animation_data is None):
-                    continue
-                if s in cached_actions:
-                    s.animation_data.action = bpy.data.actions[
-                        cached_actions[s]]
-                else:
-                    s.animation_data.action = None
-                    for j, bone in enumerate(s.pose.bones):
-                        bone.matrix_basis = tmp_mat[i][1][j]
-
-        else:
-            self.export_animation(self.scene.frame_start, self.scene.frame_end)
-
-        self.writel(S_ANIM, 0, '</library_animations>')
-
-    def export(self):
-        self.writel(S_GEOM, 0, '<library_geometries>')
-        self.writel(S_CONT, 0, '<library_controllers>')
-        self.writel(S_CAMS, 0, '<library_cameras>')
-        self.writel(S_LAMPS, 0, '<library_lights>')
-        self.writel(S_IMGS, 0, '<library_images>')
-        self.writel(S_MATS, 0, '<library_materials>')
-        self.writel(S_FX, 0, '<library_effects>')
-
-        self.skeletons = []
-        self.action_constraints = []
-        self.export_asset()
-        self.export_scene()
-
-        self.writel(S_GEOM, 0, '</library_geometries>')
-
-        # morphs always go before skin controllers
-        if S_MORPH in self.sections:
-            for l in self.sections[S_MORPH]:
-                self.writel(S_CONT, 0, l)
-            del self.sections[S_MORPH]
-
-        # morphs always go before skin controllers
-        if S_SKIN in self.sections:
-            for l in self.sections[S_SKIN]:
-                self.writel(S_CONT, 0, l)
-            del self.sections[S_SKIN]
-
-        self.writel(S_CONT, 0, '</library_controllers>')
-        self.writel(S_CAMS, 0, '</library_cameras>')
-        self.writel(S_LAMPS, 0, '</library_lights>')
-        self.writel(S_IMGS, 0, '</library_images>')
-        self.writel(S_MATS, 0, '</library_materials>')
-        self.writel(S_FX, 0, '</library_effects>')
-
-        if (self.config["use_anim"]):
-            self.export_animations()
-
-        try:
-            f = open(self.path, "wb")
-        except:
-            return False
-
-        f.write(bytes('<?xml version="1.0" encoding="utf-8"?>\n', "UTF-8"))
-        f.write(bytes(
-            '<COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" '
-            'version="1.4.1">\n', "UTF-8"))
-
-        s = []
-        for x in self.sections.keys():
-            s.append(x)
-        s.sort()
-        for x in s:
-            for l in self.sections[x]:
-                f.write(bytes(l + "\n", "UTF-8"))
-
-        f.write(bytes('<scene>\n', "UTF-8"))
-        f.write(bytes('\t<instance_visual_scene url="#' +
-                      self.scene_name + '" />\n', "UTF-8"))
-        f.write(bytes('</scene>\n', "UTF-8"))
-        f.write(bytes('</COLLADA>\n', "UTF-8"))
-        return True
-
-    def __init__(self, path, kwargs, operator):
-        self.operator = operator
-        self.scene = bpy.context.scene
-        self.last_id = 0
-        self.scene_name = self.new_id("scene")
-        self.sections = {}
-        self.path = path
-        self.mesh_cache = {}
-        self.curve_cache = {}
-        self.material_cache = {}
-        self.image_cache = {}
-        self.skeleton_info = {}
-        self.config = kwargs
-        self.valid_nodes = []
-        self.armature_for_morph = {}
-        self.used_bones = []
-        self.wrongvtx_report = False
-
-
-def save(operator, context, filepath="", use_selection=False, **kwargs):
-    exp = DaeExporter(filepath, kwargs, operator)
-    exp.export()
-
-    return {'FINISHED'}  # so the script wont run after we have batch exported.